circuitpython/ports/powerpc/uart_core.c

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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2019, Michael Neuling, IBM Corporation.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include <unistd.h>
#include <stdbool.h>
#include "py/mpconfig.h"
#include "uart_potato.h"
#include "uart_lpc_serial.h"
static int lpc_console;
static int potato_console;
void uart_init_ppc(int lpc) {
lpc_console = lpc;
if (!lpc_console) {
potato_console = 1;
potato_uart_init();
} else {
lpc_uart_init();
}
}
// Receive single character
int mp_hal_stdin_rx_chr(void) {
unsigned char c = 0;
if (lpc_console) {
c = lpc_uart_read();
} else if (potato_console) {
c = potato_uart_read();
}
return c;
}
// Send string of given length
void mp_hal_stdout_tx_strn(const char *str, mp_uint_t len) {
if (lpc_console) {
int i;
for (i = 0; i < len; i++) {
lpc_uart_write(str[i]);
}
} else if (potato_console) {
int i;
for (i = 0; i < len; i++) {
potato_uart_write(str[i]);
}
}
}